SOR_SWI_CLEAN AND GAS FREE TANKS VOIDS COFFERDAMS AND SPACES.docx

ABSTRACT

This item describes the requirements for the contractor to open, clean, gas-free, maintain, and close miscellaneous tanks, voids, cofferdams, and spaces. Storage of re-usable fuel and lube oils is also required.

REFERENCES/ENCLOSURES

References

1.1.1 NAVSEA Drawing No. 801-6580644, Booklet of General Plans, USNS GUADALUPE (T-AO 200)

1.1.2 NAVSEA Drawing No. 835-8386312, USNS GUADALUPE, Trim & Stability Booklet Enclosures

1.1.3 USNS GUADALUPE (T-AO 200) List of Applicable Tanks, Voids and Cofferdams to be opened

2.0 ITEM LOCATION/DESCRIPTION

2.1 Location/Quantity: See Enclosure 2.2.1

3.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: None

4.0 NOTES

4.1 Period of Performance: 04JUN2024 – 15JUN2024

USNS Guadalupe Chief Engineer

(631) 682-5154 cheng@guadalupe.navy.mil

Benjamin Miner USNS Guadalupe Port Engineer

(757) 597-4969 benjamin.r.miner.civ@us.navy.mil

4.2 The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with all applicable GTR requirements.

4.3 The clarification of definitions within this service order can be obtained via communication with the MSCREP.

4.4 In the event that any tank contents are deemed to be hazardous wastes in accordance with federal, state and local (CONUS) or international (OCONUS) standards, the costs for handling and disposal of those wastes shall be covered under federal, state, and/or local disposal regulation, statute, and policy.

5.0 QUALITY ASSURANCE REQUIREMENTS

5.1 Work covered under this service order shall be performed to the satisfaction of the MSCREP or their designated representative.

6.0 STATEMENT OF WORK REQUIRED

6.1 It is the contractor’s responsibility to analyze and properly plan tank unloading procedures to ensure that no undue stresses are imposed on the vessel structure. Ship’s force and OMT REP will assist contractor with ship loading documents and software. The contractor shall utilize the services of a naval architect or structural engineer to support this planning. The contractor shall provide their tank unloading plan to the OMT REP at least two business days prior to starting this work to permit review and approval by MSC naval architect.

6.2 Contractor and ship’s force shall take, record, and verify soundings of all tanks listed in Enclosure 2.2.1, using References 2.1.1 and 2.1.2 as guidance. The Chief Engineer shall review and endorse all soundings taken/recorded.

6.2.1 Submit copy of endorsed record to the MSCREP.

6.3 Provide for the receipt, storage, and safe disposal of an estimated 450,000 gallons of waste oil, sludge, and wash water in way of execution of the requirements of this work item.

6.3.1 Prior to off-loading liquids, samples shall be taken by the contractor of each of the tanks to be moved to temporary storage. These samples shall be turned over to the Chief Engineer. Each sample bottle shall be labeled with tank taken from, contents, and date taken. Any visual indications of contamination shall be brought to the attention of the MSCREP immediately. Upon completion of transferring of liquids, the contractor, in conjunction with ship's force, shall validate quantities at the storage facility.

6.3.2 In the event that contamination is suspected, a change order will be issued to the contractor to have a laboratory analysis conducted on the sample.

6.4 Removals: The ship will pump down tanks to low suction, either to other tanks onboard or to shore storage facilities. In the event that the tank contents are being moved off the ship, the contractor shall provide support to the vessel, including all hoses and manpower on the shore side or barges to accomplish this removal.

6.4.1 Contractor shall be responsible to provide all pumps, hoses, fittings and personnel to safely remove all remaining tank contents as identified in Enclosure 2.2.1 following soundings from Paragraph 7.2.

6.4.2 Applicable federal, state, local or international procedures for transferring fuel and lube oils over water shall be followed by the contractor. All liquids and waste shall be disposed of in accordance with local, state, federal and/or international regulations.

6.4.3 In some states, the presence of oil in the wash water may deem the mixture to be hazardous waste. When pricing this item, the contractor shall assume that oil is present in the tank wash water.

a. The cost for disposal of the mixture shall be included in the price quote regardless of whether or not, due to the presence of oil, the wash water is deemed hazardous waste or non-hazardous waste.

b. If the mixture is determined to be hazardous waste due to some contaminant other than oil, the contractor shall submit a condition found report in electronic media to the MSCREP identifying the suspected waste, with recommendation for handling and disposal.

c. Additional costs for removal beyond the scope of this work item shall be subject to approved contract change order. All other costs for offload and disposal shall be captured in this work item.

6.5 Accomplish the following for each tank/space listed in Enclosure 2.2.1:

6.5.1 Open manholes and erect/maintain safety guards over openings.

6.5.2 Temporarily provide blowers and ventilate tanks and spaces, inclusive of confined areas around manhole covers.

a. Ventilation of the tanks shall be accomplished so as to prevent tank fumes from exhausting in the interior compartments of the ship.

6.5.3 Provide and maintain, as required, temporary tank lamping/lighting. Lighting shall be explosion proof, safety type lights.

6.6 Clean and Gas Free tanks and spaces listed in Enclosure 2.2.1. Cleaning shall completely remove all traces of dirt, sludge, debris and liquids. All tanks and spaces shall be presented in a clean and dry condition and shall be ready to be certified and maintained safe for men/safe for hot work.

6.6.1 For those tanks identified in this service order, the contractor shall estimate the provision of gas free certificates “Safe for Entry.”

6.6.2 Where a battery of tanks is designated for cleaning and gas freeing, all interior spaces in way of same, such as cofferdams, voids, bilges, bilge wells and other spaces, even if not specifically mentioned, shall be considered as being included as spaces to be cleaned and gas freed.

6.6.3 For all tanks and spaces indicated in enclosure 2.2.1, air vents, sounding tubes, filling and suction lines and other appurtenances shall be included for cleaning and gas freeing. Secondary manhole covers for each tank shall also be opened.

6.6.4 Post original gas free certification at each tank/space location. Certificate shall be mounted directly at the tank/space manhole entrance.

6.6.5 Post copy of gas free certificates at the designated gangway access to the vessel. Certifications posted at gangway shall be in a protective weather/waterproof enclosure that is accessible and visible.

6.7 Surveys and testing requirements for these tanks beyond scope of the cleaning and gas free verification are not anticipated and, if identified as required, shall be subject to approved contract change order.

6.8 At the conclusion of all required work, conduct a final closeout inspection for each tank/space listed in enclosure 2.2.1 with the MSCREP. No tank shall be closed until a final inspection is accomplished with the MSCREP in attendance.

6.8.1 Contractor is responsible for repairing all tank coating damage caused by work in this solicitation work package. During close out inspection, if coatings are found damaged by contractor’s work that were not identified via MSCREP and/or Condition Found Report, the contractor shall repair damaged areas prior to final close out of tank/space, at contractor’s expense. Damaged coatings shall be repaired in accordance with MSC paint system and the paint representative’s recommendations.

6.8.2 Ensure all blowers, lighting, staging, tools, and miscellaneous equipment are removed prior to the final inspection. Any staging necessary for MSCREP close out inspection shall be removed just prior to final acceptance close out of tank/space.

6.8.3 Present tank in final clean condition. No dirt, dust, debris or liquids shall be allowed. Any tank or space failing the close out inspection, shall be re-cleaned until passing MSCREP inspection (repeated cleanings and inspections will be at contractor expense, and may become subject to issuance of a QDR).

6.9 Upon acceptance of final closeout inspection and by direction of the OMT REP, reinstall manhole covers using new gaskets, grommets, and wicking. Submit a condition found report for any missing or damaged fasteners or hardware.

6.10 The following tanks and spaces, included in Enclosure 2.2.1, shall be opened, cleaned and prepared for gas free certification within (10) days of the shipyard availability start:

6.10.1 SEE ENCLOSURE 2.2.1

6.11 Required deliverable report: Contractor shall create, maintain, update, and submit weekly, a tank/space work matrix. This matrix shall contain the following information:

6.11.1 Tank/Space Name

6.11.2 Tank/Space Location Designation

6.11.3 Date Tank/Space Opened

6.11.4 Date Gas Free Cleaning Started

6.11.5 Date Gas Free Cleaning Completed

6.11.6 Date Gas Free Certificate Received

6.11.7 Date ABS Initial Structural Survey Complete (as required)

6.11.8 Date Air Test/Hydro Test Completed (as required)

6.11.9 Date Final Tank/Space Cleaning Started

6.11.10 Date Final Tank/Space Cleaning Completed

6.11.11 Date Tank/Space Final Close

Paint all disturbed surfaces to match surroundings USNS Guadalupe

( TAO 200 )

GENERAL REQUIREMENTS: None additional 0021 - 1 Enclosure 2.2.1 - USNS GUADALUPE (T-AO 200) List of Applicable Tanks, Voids and Cofferdams to be Opened during Current Availability Cargo Oil (DFM) Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Stbd 348,816

Fresh / Feed Water Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Ballast Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Fuel Oil Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Lube Oil and Settling Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Miscellaneous Tanks

(gals) Area

(SF)

Arrival Condition (Ltons)

Cofferdams

(SF)

None

Misc. Spaces

(sqft)

None